Useful-Resources.md

@@ -5,6 +5,10 @@ Petalinux home page - Wilinx Wiki
 Zybo z7 home page - includes links to official documentation, reported issues, and example demos (including a petalinux one)
 - https://digilent.com/reference/programmable-logic/zybo-z7/start
 
+Zynq-7000 AP SoC USB CDC Device Class Design Example Techtip - a (fairly old) guide that outlines how to set up USB CDC Device class for either bare metal or petalinux. It was a good starting point for a guide, but some of the kernel moduels were placed/named differently with a newer kernel version. 
+- https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18841624/Zynq-7000+AP+SoC+USB+CDC+Device+Class+Design+Example+Techtip
+>Note: The bare metal implementation this guide links to is **extremely** buggy when transferring data at high rates, which is why we switched to petalinux (which has much more stable drivers). 
+
 # Online Guides
 
 How to create a script that runs on petalinux boot